CN207069412U - One kind changes switch cabinet current transformer specific purpose tool - Google Patents

One kind changes switch cabinet current transformer specific purpose tool Download PDF

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Publication number
CN207069412U
CN207069412U CN201721046402.0U CN201721046402U CN207069412U CN 207069412 U CN207069412 U CN 207069412U CN 201721046402 U CN201721046402 U CN 201721046402U CN 207069412 U CN207069412 U CN 207069412U
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China
Prior art keywords
current transformer
specific purpose
purpose tool
switch cabinet
plate
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Active
Application number
CN201721046402.0U
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Chinese (zh)
Inventor
周壹锋
甘建达
冯奕钧
冯普俊
郑锡挺
吴剑胜
曾光明
林良顺
叶健忠
刘汶兴
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Jiangmen Power Supply Bureau of Guangdong Power Grid Co Ltd
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Jiangmen Power Supply Bureau of Guangdong Power Grid Co Ltd
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Priority to CN201721046402.0U priority Critical patent/CN207069412U/en
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Abstract

The technical field of power system maintenance tool is the utility model is related to, switch cabinet current transformer specific purpose tool is changed more particularly, to one kind.Replacing switch cabinet current transformer specific purpose tool of the present utility model, lowering or hoisting gear including the fixing device for being fixed with switch cubicle, for adjusting height and the CT seats for loading current transformer, the lowering or hoisting gear is slidably connected with fixing device, and the CT seats are on the lowering or hoisting gear.The position of the present utility model changed switch cabinet current transformer specific purpose tool and can adjust each orientation of CT boxes, installation or removal are completed with the position for the current transformer for being accurately adjusted to change, reduce the difficulty that current transformer is changed, improve operating efficiency, and effectively avoid it is careless slightly during artificial support caused by current transformer fall caused by equipment damage or casualties, and simple in construction, low manufacture cost, it is convenient for carrying, it is practical.

Description

One kind changes switch cabinet current transformer specific purpose tool
Technical field
The technical field of power system maintenance tool is the utility model is related to, switch cubicle is changed more particularly, to one kind Current transformer specific purpose tool.
Background technology
With rapid development of economy, people are increasing to the demand of power consumption, and the requirement of power network power supply reliability is got over Come higher.The longtime running generally existing of old equipment can not meet the capacity requirement increasingly increased, especially for operation for a long time 10kV high-voltage switch gear cabinet equipments, its current transformer(CT)No-load voltage ratio and Capacity design value are smaller, can not meet current resident The requirement of demand and the present situation operation of electricity consumption.In order to ensure power system security reliability service, reduce resident's power off time, it is necessary to Change the current transformer that no-load voltage ratio is big, capacity is big.Because current transformer is heavier, and high-tension switch cabinet space bit is equipped with Limit, when tradition removes current transformer, operating personnel is often needed to hold current transformer in cabinet, another people removes fixing bolt Nut, slightly lift current transformer, take out the screw rod of fixing bolt, then manually slowly carried out;Installation When with disassembly sequence on the contrary, tie handle with rope, due to the space limitation of high-voltage switch gear cabinet, rope can not will be from switch Cabinet is directly pulled at back door, is needed two people to be squatted in front cabinet door and is lifted current transformer to installation site on ground, then will with bolt It is fixed.
However, 10kV current transformer weight is commonly 35kg ~ 55kg, the posture squatted on ground is taken, by heavy electricity For current transformer support to installation site high 60cm, and without grip point, this has very big difficulty for maintainer.If make The mode bundled with rope lifts current transformer, it is difficult to has an effect, and rope easily slips, it is possible to cause device failure and people Body injures.Traditional installation and dismounting technique are time-consuming and laborious, significantly reduce the operating efficiency for changing current transformer;And And larger personal safety risk be present.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided one kind can reduce dismounting difficulty, shorten Dismounting operation time, the replacing 10kV switch cabinet current transformer specific purpose tools for improving operating efficiency.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of replacing switch cabinet current transformer specific purpose tool of offer, including the fixing device for being fixed with switch cubicle, For adjusting the lowering or hoisting gear of height and CT seats for loading current transformer, the lowering or hoisting gear slides with fixing device Connection, the CT seats are on the lowering or hoisting gear.
Replacing switch cabinet current transformer specific purpose tool of the present utility model, switch cubicle is fixed at by fixing device It is interior, current transformer is loaded by CT, the height of current transformer is adjusted with by current transformer screw by lowering or hoisting gear It is fastenedly connected with switch cubicle installing plate, reduces the difficulty that current transformer is changed, improve operating efficiency, and is effectively avoided artificial During support it is careless slightly caused by current transformer fall and caused by equipment damage or casualties, reduce safety Risk.
Further, the fixing device includes rail plate and two groups of identical guide rail push rods, the rail plate by The first rail plate be arrangeding in parallel and the second rail plate form, and guide rail push rod described in two groups of identicals is worn respectively is arranged in institute State the both ends of the first rail plate.The setting of guide rail push rod be in order to which specific purpose tool is fixed in switch cubicle, rail plate Setting enables the position of lowering or hoisting gear to adjust.
Preferably, the rail plate is the right-angle structure provided with the first slotted eye, and the rail plate is provided with and first The bottom fixing lock that slotted eye coordinates;Connected between first rail plate and the second rail plate by connecting plate.Connecting plate will First rail plate is connected with the second rail plate so as to consolidate whole specific purpose tool, and the setting of bottom fixing lock is conveniently adjusted Lowering or hoisting gear is fixed behind the position of lowering or hoisting gear to ensure the stability of work.
Preferably, the guide rail push rod is made up of connecting rod, driving lever, anchorage bar and jacking block, and the driving lever is interspersed to be located at institute State in anchorage bar, the jacking block is fixed at one end of the anchorage bar, the connecting rod located at rail plate and anchorage bar it Between.Jacking block is used to be fixedly connected with switch cubicle, and driving lever is provided for transferring guide rail push rod, and causes guide rail push rod to be easy to tear open Unload, be easy to carry.
Further, the lowering or hoisting gear is made up of lifting handle, top plate, intersection connecting lever and base sliding block, the lifting Handle is connected between connecting lever with intersecting by screw rod, and described one end for intersecting connecting lever is fixedly connected with top plate and base sliding block, another End is slidably connected with top plate and base sliding block;The base sliding block is slidably connected with rail plate.Revolved by hand lifting handle Turn screw rod extruding and intersect connecting lever regulation height, realize vertically moving for specific purpose tool;By base sliding block on rail plate Position adjustments, realize moving left and right for specific purpose tool.
Preferably, the intersection connecting lever is made up of the two groups of intersection be arrangeding in parallel connecting lever units, the intersection connecting lever unit By it is some intersection and flexible connection support bar groups into;Some turns be arrangeding in parallel are connected between intersection connecting lever unit described in two groups Moving axis.Intersect the adjustment for being flexibly connected and being easy to realize height by screw extruding support bar between support bar, the setting of rotary shaft can Increase the bearing capacity of lowering or hoisting gear, also allow for intersecting connecting lever in base sliding block and being fixedly connected on top plate or slidably connect Connect.
Preferably, the top plate is made up of the horizontal deckle board and gusset being fixedly connected, and the gusset is provided with and rotary shaft The through hole being engaged, formed with the female rail moved forward and backward for CT seats between the horizontal deckle board and gusset.The structure design of top plate Assign top plate multiple action:On the one hand CT seats are connected with elevating mechanism, through hole is provided for the cunning of rotary shaft in through-holes It is dynamic, provide condition to intersect the extruding of connecting lever;One side CT seats slide in female rail carries out position adjustments, realizes specific purpose tool It is movable.
Further, the CT seats include CT boxes and slide plate, and the CT boxes are rotatablely connected with slide plate, the slide plate and top plate It is slidably connected, the CT boxes are provided with the fixing hole for being used for connecting current transformer.Slide plate and top plate are slidably connected adjustable CT The angle of the adjustable CT boxes deflection of rotation connection of the front and back position of box, CT boxes and slide plate, relatively accurately to install and dismantle Current transformer.
Preferably, adjustment sheet and angular adjustment handle are additionally provided with the CT boxes, the adjustment sheet is parallel located at CT boxes Both sides;The adjustment sheet is provided with the second slotted eye.Deflection angle above and below the manually adjustable current transformer of angular adjustment handle.
Preferably, the slide plate, which is provided with, is used to fix the angle fixing lock of CT box rotational angles and for limiting CT boxes The fastener of displacement;Worn with the second slotted eye and connect cooperation in described angle fixing lock one end.The setting of spacing fastener prevents electric current Transformer is moved away from specific purpose tool and operating personnel is caused with unnecessary injury when movable;When CT boxes rotate, angle is fixed It is locked in the second slotted eye and slides, angle fixing lock and the adjustment sheet i.e. deflection of lockable CT boxes is locked when turning to appropriate location Position.
Compared with prior art, the beneficial effects of the utility model are:
Replacing switch cabinet current transformer specific purpose tool of the present utility model, including the fixed dress for being fixed with switch cubicle Put, the lowering or hoisting gear for adjusting height and the CT seats for loading current transformer, the lowering or hoisting gear and fixing device It is slidably connected, the CT seats are on the lowering or hoisting gear.Extruded by hand lifting handle rotating screw bar and intersect connecting lever tune Section height, realizes vertically moving for specific purpose tool;By position adjustments of the base sliding block on rail plate, specific purpose tool is realized Move left and right;By slip of the CT boxes on top plate in female rail, the movable of specific purpose tool is realized;Pass through angular adjustment handle Rotation connection between hand and CT boxes and slide plate, realize the deflection up and down of specific purpose tool;The position in each orientation of CT boxes is adjustable, can Installation or removal are completed in the position of the accurate current transformer for being adjusted to change, and reduce the difficulty that current transformer is changed, and carry High workload efficiency, and effectively avoid it is careless slightly during artificial support caused by current transformer fall caused by equipment Damage or casualties, it is simple in construction, low manufacture cost, it is convenient for carrying, it is practical.
Brief description of the drawings
Fig. 1 is the oblique view of the replacing switch cabinet current transformer specific purpose tool of embodiment one;
Fig. 2 is the front view of the replacing switch cabinet current transformer specific purpose tool of embodiment one;
Fig. 3 is the left view of the replacing switch cabinet current transformer specific purpose tool of embodiment one;
Fig. 4 is the top view of the replacing switch cabinet current transformer specific purpose tool of embodiment one;
Fig. 5 is the structural representation of the top plate of the replacing switch cabinet current transformer specific purpose tool of embodiment one.
Embodiment
The utility model is further described with reference to embodiment.Wherein, being given for example only property of accompanying drawing Illustrate, expression is only schematic diagram, rather than pictorial diagram, it is impossible to is interpreted as the limitation to this patent;In order to which this reality is better described With new embodiment, some parts of accompanying drawing have omission, zoomed in or out, and do not represent the size of actual product;To ability For field technique personnel, some known features and its explanation may be omitted and will be understood by accompanying drawing.
Same or analogous label corresponds to same or analogous part in the accompanying drawing of the utility model embodiment;In this practicality In new description, it is to be understood that if thering is the orientation of the instructions such as term " on ", " under ", "left", "right" or the position relationship to be Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore retouched in accompanying drawing State term the being given for example only property explanation of position relationship, it is impossible to the limitation to this patent is interpreted as, for the common skill of this area For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment 1
It is as shown in Figures 1 to 5 replacing switch cabinet current transformer specific purpose tool of the present utility model, including for opening Fixing device 1, the lowering or hoisting gear 2 for adjusting height and the CT seats 3 for loading current transformer that cabinet is fixed are closed, lifting Device 2 is slidably connected with fixing device 1, and CT seats 3 are on lowering or hoisting gear 2.
Wherein, as shown in figure 1, fixing device 1 includes rail plate and two groups of identical guide rail push rods 11, rail plate by The first rail plate 12 be arrangeding in parallel forms with the second rail plate 13, and two groups of identical guide rail push rods 11 are worn be arranged in respectively The both ends of first rail plate 12.Lowering or hoisting gear 2 is made up of lifting handle 21, top plate 22, intersection connecting lever 23 and base sliding block 24, Lifting handle 21 is connected between connecting lever 23 with intersecting by screw rod 25, and one end and the top plate 22 and base sliding block 24 for intersecting connecting lever 23 are solid Fixed connection, the other end are slidably connected with top plate 22 and base sliding block 24, and base sliding block 24 is slidably connected with rail plate;Pass through hand Shake the extruding of the rotary screw 25 of lifting handle 21 and intersect the regulation height of connecting lever 23, realize vertically moving for specific purpose tool;Pass through base Position adjustments of the sliding block 24 on rail plate, realize moving left and right for specific purpose tool.CT seats 3 include CT boxes 31 and slide plate 32, CT boxes 31 are rotatablely connected with slide plate 32, and slide plate 32 is slidably connected with top plate 22, and CT boxes 31, which are provided with, to be used to connect current transformer Fixing hole 33;The angle of the adjustable deflection of CT boxes 31 of rotation connection of CT boxes 31 and slide plate 32, with relatively accurately install with Dismantle current transformer.
In addition, rail plate is the right-angle structure provided with the first slotted eye 14, rail plate is provided with matches somebody with somebody with the first slotted eye 14 The bottom fixing lock 15 of conjunction;Connected between first rail plate 12 and the second rail plate 13 by connecting plate 16, bottom fixing lock 15 fix lowering or hoisting gear 2 to ensure the stability of work after the position of lowering or hoisting gear 2 is adjusted.Guide rail push rod 11 is by connecting rod 111st, driving lever 112, anchorage bar 113 and jacking block 114 are formed, and driving lever 112 is interspersed to be located in anchorage bar 113, and jacking block 114 is fixed at One end of anchorage bar 113, connecting rod 111 are located between rail plate and anchorage bar 113.Intersect connecting lever 23 to be arranged in parallel by two groups Intersection connecting lever unit composition, intersect connecting lever unit by it is some intersection and flexible connection support bars 231 form;Two groups of intersections turn Some rotary shafts 232 be arrangeding in parallel are connected between arm unit.Top plate 22 is by the horizontal deckle board 221 and gusset 222 that are fixedly connected Composition, gusset 222 is provided with the through hole being engaged with rotary shaft 232, formed with for CT between horizontal deckle board 221 and gusset 222 The movable female rail 223 of seat 3;CT seats 3 slide in female rail 223 carries out position adjustments, realizes the movable of specific purpose tool. Adjustment sheet 34 and angular adjustment handle 35 are additionally provided with CT boxes 31, adjustment sheet 34 is parallel located at the both sides of CT boxes 31;Adjustment sheet 34 It is provided with the second slotted eye.Slide plate 32, which is provided with, to be used to fix the angle fixing lock 36 of the rotational angle of CT boxes 31 and for limiting CT The fastener 37 of box displacement;Worn with the second slotted eye and connect cooperation in the one end of angle fixing lock 36;When CT boxes 31 turn to appropriate location Lock angle fixing lock 36 and the adjustment sheet 34 i.e. inflection point of lockable CT boxes 31.
The embodiment of the present embodiment is as follows:
When current transformer is installed, rail plate is put into switch cubicle docked with front door chamfered groove first, stir driving lever 112 Two guide rail push rods 11 are transferred so that fixing device to be fixed;Relevant position, and profit are arrived by leftward or rightward mobile base sliding block 24 Base is fixed with bottom fixing lock 15.Then, current transformer is placed on CT boxes 31 and fastened by fixing hole 33;Rotation The dynamic motor current transformer of lifting handle 21 promotes cunning of the slide plate in top plate female rail 223 forward or backward to after corresponding height It is dynamic to adjust to relevant position;CT boxes 31 are translated into by respective angles by angular adjustment handle 35, using angle fixing lock 37 by electricity Current transformer is fixed.Finally, current transformer and switch cubicle installing plate are fastenedly connected, remove installation tool, install.
When dismantling current transformer, rail plate is put into switch cubicle docked with front door chamfered groove first, stir driving lever 112 Two guide rail push rods 11 are transferred so that fixing device 1 to be fixed;By leftward or rightward mobile base sliding block to relevant position, and utilize Bottom fixing lock 15 fixes base;Turn lifting handle lifts CT boxes to after corresponding height, promotes slide plate to exist forward or backward Slip in top plate female rail 223 is adjusted to relevant position;CT boxes 31 are translated into by respective angles by angular adjustment handle 35, utilized Angle fixing lock 37 fixes CT boxes 31.Then dismantle the current transformer on switch cubicle installing plate and be loaded on CT boxes 31; Current transformer is turned to by horizontal level by angular adjustment handle 35, turn lifting handle 21 reduces the height of current transformer After degree, you can remove current transformer.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above On the basis of can also make other changes in different forms.There is no need and unable to give all embodiments It is exhaustive.All made within spirit of the present utility model and principle all any modification, equivalent and improvement etc., should be included in Within the protection domain of the utility model claims.

Claims (10)

1. one kind changes switch cabinet current transformer specific purpose tool, it is characterised in that including the fixation for being fixed with switch cubicle Device(1), lowering or hoisting gear for adjusting height(2)And for loading the CT seats of current transformer(3), the lowering or hoisting gear (2)With fixing device(1)It is slidably connected, the CT seats(3)Located at the lowering or hoisting gear(2)On.
2. replacing switch cabinet current transformer specific purpose tool according to claim 1, it is characterised in that the fixing device (1)Including rail plate and two groups of identical guide rail push rods(11), the rail plate is by the first rail plate for be arrangeding in parallel (12)With the second rail plate(13)Composition, guide rail push rod described in two groups of identicals(11)Wear respectively and be arranged in first slip Guide rail(12)Both ends.
3. replacing switch cabinet current transformer specific purpose tool according to claim 2, it is characterised in that the rail plate For provided with the first slotted eye(14)Right-angle structure, the rail plate be provided with and the first slotted eye(14)The bottom fixing lock of cooperation (15);First rail plate(12)With the second rail plate(13)Between pass through connecting plate(16)Connection.
4. the replacing switch cabinet current transformer specific purpose tool according to Claims 2 or 3, it is characterised in that the guide rail Push rod(11)By connecting rod(111), driving lever(112), anchorage bar(113)And jacking block(114)Composition, the driving lever(112)It is interspersed Located at the anchorage bar(113)In, the jacking block(114)It is fixed at the anchorage bar(113)One end, the connecting rod (111)Located at the first rail plate(12)With anchorage bar(113)Between.
5. replacing switch cabinet current transformer specific purpose tool according to claim 1, it is characterised in that the lowering or hoisting gear (2)By lifting handle(21), top plate(22), intersect connecting lever(23)And base sliding block(24)Composition, the lifting handle(21)With Intersect connecting lever(23)Between pass through screw rod(25)Connection, the intersection connecting lever(23)One end and top plate(22)With base sliding block(24) It is fixedly connected, the other end and top plate(22)With base sliding block(24)It is slidably connected;The base sliding block(24)Slided with rail plate Dynamic connection.
6. replacing switch cabinet current transformer specific purpose tool according to claim 5, it is characterised in that the intersection connecting lever (23)It is made up of the two groups of intersection be arrangeding in parallel connecting lever units, the connecting lever unit that intersects is by some intersections and the branch of flexible connection Strut(231)Composition;Some rotary shafts be arrangeding in parallel are connected between intersection connecting lever unit described in two groups(232).
7. the replacing switch cabinet current transformer specific purpose tool according to claim 5 or 6, it is characterised in that the top plate (22)By the horizontal deckle board being fixedly connected(221)And gusset(222)Composition, the gusset(222)It is provided with and rotary shaft(232) The through hole being engaged, the horizontal deckle board(221)With gusset(222)Between formed with for CT seats(3)Movable female rail (223).
8. replacing switch cabinet current transformer specific purpose tool according to claim 1, it is characterised in that the CT seats(3) Including CT boxes(31)And slide plate(32), the CT boxes(31)With slide plate(32)Rotation connection, the slide plate(32)With top plate(22) It is slidably connected, the CT boxes(31)It is provided with the fixing hole for being used for connecting current transformer(33).
9. replacing switch cabinet current transformer specific purpose tool according to claim 8, it is characterised in that the CT boxes(31) On be additionally provided with adjustment sheet(34)With angular adjustment handle(35), the adjustment sheet(34)It is parallel to be located at CT boxes(31)Both sides;Institute State adjustment sheet(34)It is provided with the second slotted eye.
10. replacing switch cabinet current transformer specific purpose tool according to claim 8 or claim 9, it is characterised in that the slide plate (32)It is provided with the angle fixing lock for being used for fixing CT box rotational angles(36)And for limiting CT boxes(31)The fastening of displacement Part(37);The angle fixing lock(36)Worn with the second slotted eye and connect cooperation in one end.
CN201721046402.0U 2017-08-21 2017-08-21 One kind changes switch cabinet current transformer specific purpose tool Active CN207069412U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721046402.0U CN207069412U (en) 2017-08-21 2017-08-21 One kind changes switch cabinet current transformer specific purpose tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721046402.0U CN207069412U (en) 2017-08-21 2017-08-21 One kind changes switch cabinet current transformer specific purpose tool

Publications (1)

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CN207069412U true CN207069412U (en) 2018-03-02

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109828228A (en) * 2019-03-06 2019-05-31 国网山西省电力公司晋城供电公司 Transducer check automatically adjusts bar in 35kV switchgear
CN112038954A (en) * 2020-07-31 2020-12-04 国网山东省电力公司诸城市供电公司 Mounting tool for inverted current transformer in switch cabinet and using method
CN113948993A (en) * 2020-07-15 2022-01-18 中国南方电网有限责任公司超高压输电公司 Device for overhauling and maintaining power module of support type converter valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109828228A (en) * 2019-03-06 2019-05-31 国网山西省电力公司晋城供电公司 Transducer check automatically adjusts bar in 35kV switchgear
CN113948993A (en) * 2020-07-15 2022-01-18 中国南方电网有限责任公司超高压输电公司 Device for overhauling and maintaining power module of support type converter valve
CN112038954A (en) * 2020-07-31 2020-12-04 国网山东省电力公司诸城市供电公司 Mounting tool for inverted current transformer in switch cabinet and using method

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